PDF malware analysis — malicious · bba906ac25b355cc

MALICIOUS

PDF

59.7 KB Created: 2020-08-31 16:33:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3f01142cf97c287c47d654b901c5fb2f SHA-1: f60239afdcb27d59d258199ee446311459227d9c SHA-256: bba906ac25b355ccd5ee81f3e878c718113fbcabea7d85121bea4f34f76633c6

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=electrochemistry+voltaic+cells+lab+20+answers'. This URL is likely part of a phishing or malware distribution scheme. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to static.usrfiles.com. The presence of obfuscated text and embedded URLs suggests an attempt to disguise malicious intent and redirect users to potentially harmful content.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.club/wix?keyword=electrochemistry+voltaic+cells+lab+20+answers
- https://static.usrfiles.com/ugd/7ef0dc_7406c9bcbb584771a473dc918bae5a06.pdf
- https://static.usrfiles.com/ugd/b8c837_671c8c852bd8412b8eb3fa29d4ddc315.pdf
- https://static.usrfiles.com/ugd/e3325f_fda9579944444d14aaeaa086382d5d9c.pdf
- https://static.usrfiles.com/ugd/c068f8_4970a7e637fc454685aa3252af9f3940.pdf
- https://static.usrfiles.com/ugd/429b25_e038a1ec9f2149e7a1612a50bd2c61bd.pdf
- https://cdn.shopify.com/s/files/1/0427/7973/8278/files/51504258961.pdf
- https://cdn.shopify.com/s/files/1/0434/7982/6597/files/jadamoje.pdf
- https://cdn.shopify.com/s/files/1/0430/1006/4537/files/5088018182.pdf
- https://static.usrfiles.com/ugd/b8c837_7dc2931988214758ae7ed0004285d4b9.pdf
- https://static.usrfiles.com/ugd/b8c837_70794ba9d425445caab772f7e50515e8.pdf
- https://static.usrfiles.com/ugd/2b25e8_4b9c61bd152d46a9b53fb63d16e33e74.pdf
- https://static.usrfiles.com/ugd/b48b60_ac5eedd8082d49df8b707fa31e3a8dcb.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007a94.bin` `f0287d4108ef7f4dce3c8dc1eabe353c177859b409edd2808aae428f783acbec`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A94	3696 bytes
`font_01_sfnt_off000087d7.bin` `4987fec088bd6f17c3b0d24bc493aa28daeee1691f4e0c63f940033d98cff2ae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87D7	5452 bytes
`font_02_sfnt_off00009a46.bin` `0eb3c323fe88b618362535c621e33352e9b6710a3ef3196836d50ec8b701db27`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A46	10412 bytes
`font_03_sfnt_off0000be0f.bin` `1c92c2677a7211bdb9cbf3aa97d18a342ff658e3f18f612691e6cda1cc848129`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBE0F	16060 bytes
`font_04_sfnt_off0000d2ac.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD2AC	4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.